Daniel Vetter schreef op za 08-02-2014 om 20:59 [+0100]:
> Hm, if this is really a regression between 3.13 and 3.14-rc1 then I
> don't see any quick candidates - relevant functions in intel-gtt.c
> seem unchanged.
>
> So probably a bisect is what we need here. Note that this could also
> be due to resource handling changes in the driver/pci core, so you
> can't restrict the bisect really.
The last bisect on this machine took over 20 builds to pinpoint the
offending commit. So that's bad news ...
> But before going down this route it
> would be worth to check out the resource allocations of both kernels.
> Can you please attach /proc/iomem for both 3.13 and 3.14-rc1
The diff between /proc/iomem on v3.13.2 and v3.14-rc1 is:
--- iomem-3.13.2 2014-02-08 21:14:30.214030591 +0100
+++ iomem-3.14-rc1 2014-02-08 21:07:22.041189158 +0100
@@ -11,16 +11,13 @@
000e0000-000effff : Extension ROM
000f0000-000fffff : System ROM
00100000-7f6dffff : System RAM
- 00400000-009af63a : Kernel code
- 009af63b-00c932ff : Kernel data
- 00d4f000-00e4dfff : Kernel bss
+ 00400000-009c57bf : Kernel code
+ 009c57c0-00cb6aff : Kernel data
+ 00d78000-00e74fff : Kernel bss
7f6e0000-7f6f4fff : ACPI Tables
7f6f5000-7f6fffff : ACPI Non-volatile Storage
7f700000-7fffffff : reserved
7f800000-7fffffff : Graphics Stolen Memory
-80000000-801fffff : PCI Bus 0000:02
-80200000-8027ffff : 0000:00:02.1
-80280000-80280fff : Intel Flush Page
a0000000-a003ffff : 0000:00:02.0
a0040000-a00403ff : 0000:00:1d.7
a0040000-a00403ff : ehci_hcd
/proc/iomem for v3.13.2:
00000000-00000fff : reserved
00001000-0009efff : System RAM
0009f000-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000c8000-000cbfff : pnp 00:00
000cf800-000d3fff : reserved
000cf800-000d0dff : Adapter ROM
000d1000-000d1fff : Adapter ROM
000dc000-000fffff : reserved
000e0000-000effff : Extension ROM
000f0000-000fffff : System ROM
00100000-7f6dffff : System RAM
00400000-009af63a : Kernel code
009af63b-00c932ff : Kernel data
00d4f000-00e4dfff : Kernel bss
7f6e0000-7f6f4fff : ACPI Tables
7f6f5000-7f6fffff : ACPI Non-volatile Storage
7f700000-7fffffff : reserved
7f800000-7fffffff : Graphics Stolen Memory
80000000-801fffff : PCI Bus 0000:02
80200000-8027ffff : 0000:00:02.1
80280000-80280fff : Intel Flush Page
a0000000-a003ffff : 0000:00:02.0
a0040000-a00403ff : 0000:00:1d.7
a0040000-a00403ff : ehci_hcd
a0040400-a00404ff : 0000:00:1e.2
a0040400-a00404ff : Intel ICH6
a0040800-a00409ff : 0000:00:1e.2
a0040800-a00409ff : Intel ICH6
a0080000-a00fffff : 0000:00:02.0
a0100000-a01fffff : PCI Bus 0000:02
a0100000-a010ffff : 0000:02:00.0
a0100000-a010ffff : tg3
a0200000-afffffff : PCI Bus 0000:04
a0200000-a0200fff : 0000:04:00.0
a0200000-a0200fff : yenta_socket
a0201000-a02010ff : 0000:04:00.1
a0201000-a02010ff : mmc0
a0202000-a0202fff : 0000:04:02.0
a0202000-a0202fff : ipw2200
a4000000-a7ffffff : PCI CardBus 0000:05
c0000000-cfffffff : 0000:00:02.0
d0000000-d7ffffff : PCI Bus 0000:04
d0000000-d3ffffff : PCI CardBus 0000:05
e0000000-efffffff : PCI MMCONFIG 0000 [bus 00-ff]
e0000000-efffffff : reserved
e0000000-efffffff : pnp 00:01
f0008000-f000bfff : reserved
f0008000-f000bfff : pnp 00:01
f000b410-f000b414 : iTCO_wdt
f000b410-f000b414 : iTCO_wdt
fec00000-fec0ffff : reserved
fec00000-fec003ff : IOAPIC 0
fed14000-fed19fff : reserved
fed14000-fed17fff : pnp 00:01
fed18000-fed18fff : pnp 00:01
fed19000-fed19fff : pnp 00:01
fed20000-fed8ffff : reserved
fee00000-fee00fff : Local APIC
fee00000-fee00fff : reserved
ff000000-ffffffff : reserved
/proc/iomem for v3.14-rc1:
00000000-00000fff : reserved
00001000-0009efff : System RAM
0009f000-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000c8000-000cbfff : pnp 00:00
000cf800-000d3fff : reserved
000cf800-000d0dff : Adapter ROM
000d1000-000d1fff : Adapter ROM
000dc000-000fffff : reserved
000e0000-000effff : Extension ROM
000f0000-000fffff : System ROM
00100000-7f6dffff : System RAM
00400000-009c57bf : Kernel code
009c57c0-00cb6aff : Kernel data
00d78000-00e74fff : Kernel bss
7f6e0000-7f6f4fff : ACPI Tables
7f6f5000-7f6fffff : ACPI Non-volatile Storage
7f700000-7fffffff : reserved
7f800000-7fffffff : Graphics Stolen Memory
a0000000-a003ffff : 0000:00:02.0
a0040000-a00403ff : 0000:00:1d.7
a0040000-a00403ff : ehci_hcd
a0040400-a00404ff : 0000:00:1e.2
a0040400-a00404ff : Intel ICH6
a0040800-a00409ff : 0000:00:1e.2
a0040800-a00409ff : Intel ICH6
a0080000-a00fffff : 0000:00:02.0
a0100000-a01fffff : PCI Bus 0000:02
a0100000-a010ffff : 0000:02:00.0
a0100000-a010ffff : tg3
a0200000-afffffff : PCI Bus 0000:04
a0200000-a0200fff : 0000:04:00.0
a0200000-a0200fff : yenta_socket
a0201000-a02010ff : 0000:04:00.1
a0201000-a02010ff : mmc0
a0202000-a0202fff : 0000:04:02.0
a0202000-a0202fff : ipw2200
a4000000-a7ffffff : PCI CardBus 0000:05
c0000000-cfffffff : 0000:00:02.0
d0000000-d7ffffff : PCI Bus 0000:04
d0000000-d3ffffff : PCI CardBus 0000:05
e0000000-efffffff : PCI MMCONFIG 0000 [bus 00-ff]
e0000000-efffffff : reserved
e0000000-efffffff : pnp 00:01
f0008000-f000bfff : reserved
f0008000-f000bfff : pnp 00:01
f000b410-f000b414 : iTCO_wdt
f000b410-f000b414 : iTCO_wdt
fec00000-fec0ffff : reserved
fec00000-fec003ff : IOAPIC 0
fed14000-fed19fff : reserved
fed14000-fed17fff : pnp 00:01
fed18000-fed18fff : pnp 00:01
fed19000-fed19fff : pnp 00:01
fed20000-fed8ffff : reserved
fee00000-fee00fff : Local APIC
fee00000-fee00fff : reserved
ff000000-ffffffff : reserved
Thanks,
Paul Bolle
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